The Comparative Analysis :

Mercedes S 450 Coupé 4MATIC 9G-TRONIC (18 - ..) vs. BMW i8 Coupé (14 - 18)

€ 102,800
Mercedes S 450 Coupé 4MATIC 9G-TRONIC (18 - ..) Mercedes S 450 Coupé
€ 134,000
 BMW i8 Coupé (14 - 18) BMW i8 Coupé
€ 102,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 134,000

ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info

Vehicle Dimensions

The dimensions of these vehicles differ significantly. The Mercedes S 450 Coupé is 13.5 inches longer, 1.7 inches narrower and 4.8 inches taller than the BMW i8 Coupé.
Mercedes S 450 Coupé
BMW i8 Coupé
55.7
Blueprint Mercedes S 450 Coupé 4MATIC 9G-TRONIC (18 - ..)
74.8
83
50.9
Blueprint BMW i8 Coupé (14 - 18)
76.5
87.3
74.8 in
Width
76.5 in
83 in
Width Incl. Mirrors
87.3 in
55.7 in
Height
50.9 in
Blueprint Mercedes S 450 Coupé 4MATIC 9G-TRONIC (18 - ..)
115.9
198.1
Blueprint BMW i8 Coupé (14 - 18)
110.2
184.6
198.1 in
Length
184.6 in
115.9 in
Wheelbase
110.2 in

Vehicle Weight

Mercedes S 450 Coupé
BMW i8 Coupé
4530 lb
Curb Weight
3439 lb
5633 lb
Gross Vehicle
Weight
4090 lb
Mercedes S 450 Coupé 4MATIC 9G-TRONIC (18 - ..)
Weight Difference:
1091 lb
24.08 %
BMW i8 Coupé (14 - 18)

General

Mercedes S 450 Coupé
BMW i8 Coupé
C217
Generation
I12
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded
Permanent all-wheel drive (AWD)
Drivetrain
On-demand four-wheel drive (4WD) with automatic engagement
9-speed automatic transmission
Transmission
6-speed automatic transmission

Engine

Mercedes S 450 Coupé
BMW i8 Coupé
V6 gasoline engine with two tur­bo­chargers (bi­turbo)
Engine Type
3-cylinder plug-in hybrid gasoline engine with tur­bo­charger
Mercedes-Benz M 276
Engine Series
BMW B38
M 276.824
Engine Code
B38-K15
4
Valves
4
6
Cylinders
3
3 L / 147 cu in
Displacement
1.5 L / 73 cu in
362 hp
at 5250 rpm
Power
357 hp
at 5800 rpm
Mercedes S 450 Coupé
362 hp
357 hp
BMW i8 Coupé
369 lb‑ft
at 1800 rpm
Max. Torque
420 lb‑ft
at 3700 rpm
Mercedes S 450 Coupé
369 lb‑ft
420 lb‑ft
BMW i8 Coupé

Performance

Mercedes S 450 Coupé
BMW i8 Coupé
155 mph
Maximum Speed
155 mph
5.5 sec
Acceleration 0 to 62 mph
4.4 sec
62 mph 62
mph

249 ft
0.000 sec

Mercedes S 450 Coupé

62 mph 62
mph

200 ft
0.000 sec

BMW i8 Coupé

▶ REPLAY
12.51 lb/hp
Weight-to-Power Ratio
9.63 lb/hp
Mercedes S 450 Coupé
12.51 lb/hp
9.63 lb/hp
BMW i8 Coupé

Fuel Economy / Emissions

Mercedes S 450 Coupé
BMW i8 Coupé
Fuel Economy
25 mpg
combined
112 mpg
Mercedes S 450 Coupé
25 mpg
112 mpg
BMW i8 Coupé
18 mpg
city
No data
32 mpg
highway
No data
Kraftstoffanzeige
21.1 gal
Fuel Tank Capacity
7.9 gal
Kraftstoffanzeige
523 mi
Range
888 mi
Mercedes S 450 Coupé
523 mi
888 mi
BMW i8 Coupé
Environmental Impact
179.9 kWh
Total Energy Consumption
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
39.8 kWh
Mercedes S 450 Coupé
179.9 kWh
39.8 kWh
BMW i8 Coupé
Euro 6d-TEMP
Emission Standard
Euro 6b (NEFZ)
372 g/mi (WLTP)
CO2 Emissions
79 g/mi (NEFZ)

Practical Convenience

Mercedes S 450 Coupé
BMW i8 Coupé
2
Doors
3
4
No. of Seats
4
1102 lb
Maximum Payload
650 lb
11.3 cu ft
Trunk Volume
4.4 cu ft
No data
Cargo Volume (Seats Down)
No data